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Finding the Fourth Proportional to 59,458.71, 89,187.89 and 15,085.38

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Solution

The fourth proportional to 59,458.71, 89,187.89 and 15,085.38 is: 22,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,458.71 : 89,187.89 = 15,085.38 : x
  2. Step 2: Convert to fraction form
    59,458.71/89,187.89 = 15,085.38/x
  3. Step 3: Cross multiply
    59,458.71x = 89,187.89 × 15,085.38
  4. Step 4: Simplify right side
    59,458.71x = 1,345,433,136.62
  5. Step 5: Solve for x
    x = 1,345,433,136.62/59,458.71
  6. Step 6: Final answer
    x = 22,628.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.